Hollow glass with new type of mildew-proofing

Abstract

The utility model relates to a kind of hollow glass with new mould-proof, including main baffle, edge sealing adhesive layer, through cavity device, spin groove net bag, uniform holding frame and uniform force support, through cavity device is placed in the corner outside the main baffle with pipeline type welding connection form, spin groove net bag is placed in the main baffle and the through cavity device, uniform holding frame is with the way of cementing connection sleeve in the hollow glass outside, uniform force support is placed in the lower part of the uniform holding frame, the both sides of the uniform force support are provided with universal mount. The utility model is protected by uniform holding frame and placed in the hollow glass outside, uniform force support supports uniform holding frame and hollow glass by the universal mount, each piece of glass is supported, and the balance of bearing is very good, ensure that edge sealing adhesive layer of hollow glass is still not easy to damage under long time placement, effectively improve the service life of hollow glass;In addition, through cavity device and uniform holding frame facilitate on-site maintenance of hollow glass, and the operability of on-site maintenance is very good.

Description

Technical Field

[0001] This utility model belongs to the field of insulating glass technology, and specifically relates to a novel type of insulating glass with anti-mildew properties. Background Technology

[0002] Insulating glass units consist of aluminum spacers sandwiched between adjacent glass substrates. The spacers are sealed to the glass substrates using a two-layer sealant combination of butyl sealant and silicone sealant. Butyl sealant offers excellent water resistance and sealing, but its adhesive strength is relatively low. Silicone sealant provides better weather resistance and adhesive strength, but its sealing performance is inferior to butyl sealant. Traditionally, after lamination, the two layers of sealant provide both good water resistance and strong adhesion. Argon gas is filled into the insulated space, and molecular sieves are placed within the aluminum spacers to enhance the insulated glass's mold resistance. Typically, the presence of foggy moisture inside laminated insulating glass units is usually due to partial failure of the sealant after lamination, causing the argon gas to escape and allowing moisture to enter the insulated space. Alternatively, even if the seal is intact, the molecular sieves within the spacers may not completely absorb all the moisture in the cavity, leading to mold growth inside the insulating glass unit. When water vapor appears inside the insulated glass, the existing insulated glass cannot be directly repaired at the user's home. It is usually necessary to replace it with a new insulated glass. The cost of transporting the old insulated glass and the new insulated glass is relatively high.

[0003] Existing insulated glass units are installed by placing them directly onto the window frame. Double or multi-layered insulated glass units are also quite heavy. Over time, uneven stress between each pane of glass and the window frame can easily lead to the failure of the outer sealing of the insulated glass and air leakage, resulting in a shorter service life. In addition, on-site repairs of existing insulated glass units at the user's home are extremely inconvenient, and the molecular sieve is also difficult to replace quickly and directly, making on-site repairs difficult to perform. Utility Model Content

[0004] This invention provides a novel anti-mildew insulating glass unit to solve the aforementioned technical problems of uneven stress after installation leading to seal failure, short service life of insulating glass, and inconvenience of on-site maintenance at the user's home.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a novel anti-mildew insulating glass, wherein a main spacer is provided inside the insulating glass, and an edge sealing layer is provided on the four sides of the insulating glass, the structural feature of which includes:

[0006] The cavity opening device is placed on the outer corner of the main spacer in the form of a pipe-type welded connection, and the outside of the cavity opening device is sealed to the insulating glass through the edge sealing adhesive layer;

[0007] A swivel mesh bag is placed inside the main spacer and the cavity opener;

[0008] A uniform holding frame is fitted onto the outside of the insulating glass by adhesive bonding. A right-angle base edge positioning strip is provided inside the uniform holding frame. A bundle position top is provided on the symmetrical side of the right-angle base edge positioning strip. A sealing film is provided on the outer ring of the uniform holding frame.

[0009] A force-equalizing support is placed at the lower part of the force-equalizing frame, and universal joints are provided on both sides of the force-equalizing support.

[0010] Preferably, the main spacer has a smooth cavity, and the smooth cavity is connected to the conduit of the cavity opener.

[0011] Preferably, the main spacer is square in shape, and each main spacer is provided with four cavity opening devices. The center lines of the four cavity opening devices intersect to form an X shape.

[0012] Preferably, the cavity-clearing device includes an outer cylinder, a sealing ring, and a screw plug. The outer cylinder is welded to the main spacer, and the interior of the outer cylinder is in sealed communication with the smooth cavity. The screw plug is connected to the outer cylinder by a threaded seal through the sealing ring.

[0013] Preferably, the swirl mesh bag is spiral-shaped, with wire ribs on both sides, and pull ropes at both ends. The pull ropes are placed inside the cavity. The swirl mesh bag contains molecular sieves. The swirl mesh bag is a mesh-like bag shape, and the inner side of the main spacer has uniformly breathable pores.

[0014] Preferably, two adjacent sides of the insulating glass unit rest against the right-angle base edge positioning strip, and the other two sides of the insulating glass unit are pressed together by the correspondingly distributed bundle tops.

[0015] Preferably, the tie-top includes a connecting beam, a screw rod, a rubber pad, a rotating head, a tubular strip, and a rubber strip. The connecting beam is placed inside the uniform holding frame and welded to it. The screw rod is placed at the center of the connecting beam in the form of a threaded connection. The tubular strip is rotatably connected to the screw rod through the rotating head. The rubber pad is provided between the screw rod and the tubular strip. The tubular strip is tightly attached to the insulating glass through the rubber strip.

[0016] Preferably, there are two universal joints, which are respectively arranged on both sides of the force equalizer, and the lower end of the force equalizer frame is placed on the universal joint of the force equalizer.

[0017] Preferably, the universal joint includes a horizontal shaft, a horizontal sleeve platform, a vertical shaft, a vertical sleeve support, and a rubber pad. The horizontal shaft is welded to the force-equalizing support, the horizontal sleeve platform is rotatably connected to the horizontal shaft, the base of the vertical shaft is bolted to the middle of the horizontal sleeve platform, the vertical sleeve support is rotatably connected to the vertical shaft, and the rubber pad is placed on the upper end of the vertical sleeve support.

[0018] Preferably, the axis of the horizontal shaft is parallel to the axis of the vertical shaft and intersects it at a 90-degree angle.

[0019] The beneficial effects of this utility model are as follows: This utility model uses a uniform support frame placed outside the insulated glass for protection. The uniform support frame can support each pane of the insulated glass, ensuring that the force on each pane of the insulated glass is uniform. The uniform support bracket supports the uniform support frame and the insulated glass through two universal brackets. The universal brackets can also adjust the front-to-back or left-to-right sway angle, ensuring that the overall weight of the insulated glass can be evenly transmitted through the uniform support bracket to contact the window frame. The load-bearing balance is excellent, ensuring that the sealing adhesive layer of the insulated glass is not easily damaged even after long-term placement, effectively... This improves the service life of insulated glass units. Furthermore, during maintenance, the cavity-clearing devices at the four corners of the main spacer of the insulated glass unit allow for quick replacement of the swirl mesh bags containing molecular sieves. Replacing the molecular sieves is extremely convenient. The cavity-clearing devices also facilitate the injection of gas into the insulated glass unit and the filling of glass sealant into the holding frame for sealing and leak repair. This ensures that insulated glass units can be repaired at the user's home or on-site, enhancing the convenience and operability of on-site repairs. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the main appearance of this utility model;

[0021] Figure 2 This is the utility model Figure 1 Front view structural diagram;

[0022] Figure 3 This is the utility model Figure 1 Schematic diagram of the main cross-section;

[0023] Figure 4 This is the utility model Figure 3 A magnified structural diagram of point A;

[0024] Figure 5 This is the utility model Figure 3 A magnified structural diagram of point B;

[0025] Figure 6This is an enlarged structural schematic diagram of the swirl-groove mesh bag of this utility model;

[0026] Figure 7 This is an enlarged structural schematic diagram of the beam position top of this utility model;

[0027] Figure 8 This is the utility model Figure 1 A schematic diagram of the left-side exterior view;

[0028] Figure 9 This is the utility model Figure 8 A magnified schematic diagram of a portion at point E;

[0029] Figure 10 This is the utility model Figure 8 A magnified schematic diagram of a portion at point F;

[0030] In the diagram: 1 Insulating glass, 2 Main spacer, 21 Smooth cavity, 3 Edge sealing layer, 4 Cavity opening device, 41 Outer cylinder, 42 Sealing ring, 43 Screw plug, 5 Rotary groove mesh bag, 51 Wire rib, 52 Pull rope, 6 Evenly supporting frame, 61 Right angle base edge positioning strip, 62 Bundle top, 621 Connecting beam, 622 Screw top rod, 623 Rubber pad, 624 Rotary head, 625 Tube strip, 626 Rubber strip, 63 Cavity sealing membrane, 7 Evenly supporting bracket, 71 Universal bracket, 711 Horizontal shaft body, 712 Horizontal sleeve platform, 713 Longitudinal shaft body, 714 Longitudinal sleeve support, 715 Rubber pad. Detailed Implementation

[0031] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0035] The present invention will be further described below with reference to the accompanying drawings:

[0036] Combination Figures 1 to 10 As shown, the present invention discloses a novel anti-mildew insulating glass 1, comprising insulating glass 1, main spacer 2, edge sealing adhesive layer 3, cavity clearer 4, swirl mesh bag 5, uniform holding frame 6, and uniform force support 7.

[0037] The specific structure and principle of the above-mentioned components of the insulating glass 1 according to the present invention will be described in detail below.

[0038] As an example, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 8 , Figure 9 and Figure 10As shown in the attached figure, the insulated glass 1 is an insulated glass with three layers of substrate glass sandwiched between two spacers. The spacers inside the insulated glass 1 are called main spacers 2. One main spacer 2 is sandwiched between two adjacent substrate glass layers. The main spacer 2 and the edge of the substrate glass are sealed by an edge sealing layer 3. The main spacer 2 can be made of stainless steel. The outer contour of the cross-section of the main spacer 2 can be square. The interior of the main spacer 2 can be square or circular holes. Multiple small pores can be evenly arranged on the inner side of the main spacer 2. Molecular sieves can be placed in the inner holes of the main spacer 2 and communicate with the hollow layer of the insulated glass 1 through the small pores. The structure and manufacturing method of the insulated glass 1 composed of substrate glass, main spacer 2 and edge sealing layer 3 can refer to existing insulated glass. The prior art will not be described in this article. In this embodiment, a smooth cavity 21 can be provided inside the main spacer 2. The cross-section of the smooth cavity 21 is preferably circular to facilitate polishing, ensure the smoothness of the inner wall of the smooth cavity 21, and reduce the friction inside the smooth cavity 21. Each main spacer 2 can be made into a square frame with the same shape according to the size of the glass. A cavity passage device 4 can be provided at each of the four corners of each main spacer 2. The number of cavity passage devices 4 on each main spacer 2 is 4, and the center lines of the 4 cavity passage devices 4 can intersect to form an X shape. The cavity-clearing device 4 may include an outer cylinder 41, a sealing ring 42, and a screw plug 43. The outer cylinder 41 may be cylindrical, and its outer diameter is smaller than the thickness of the main spacer 2, so that a good seal can be formed when the sealing adhesive layer 3 is filled between the outer cylinder 41 and the substrate glass. One end of the outer cylinder 41 may be welded to the main spacer 2, and the inner hole of the outer cylinder 41 may communicate with the smooth cavity 21 of the main spacer 2. The inner hole of the outer cylinder 41 and the smooth cavity 21 are in a pipe-type sealed communication. The screw plug 43 may be threaded to one end of the outer cylinder 41, and the screw plug 43 and the outer cylinder 41 are sealed by the sealing ring 42.

[0039] As an example, such as Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 8 , Figure 9 and Figure 10As shown, the main spacer 2 and the cavity opener 4 are sealed to the insulating glass 1 through the sealing layer 3. A swirl mesh bag 5 can be placed inside the main spacer 2 and the cavity opener 4. The swirl mesh bag 5 can be made of a mesh material, and its exterior can be a spiral-shaped long strip. Both sides of the swirl mesh bag 5 are provided with ribs 51, which are integrally formed with the spiral-shaped swirl mesh bag 5. The ribs 51 are inelastic rope-like structures. The swirl mesh bag 5 contains a molecular sieve, and the spiral shape facilitates the absorption of moisture from the hollow layer of the insulating glass 1 by the internal molecular sieve. When the swirl mesh bag 5 is pulled, the ribs 51 prevent the swirl mesh bag 5 from elongating or shortening, preventing the spiral shape from extending or springing. The spring-compression shortening mechanism is used; both ends of the swirl mesh bag 5 are equipped with pull ropes 52, which can be made of weather-resistant ropes. The pull ropes 52 and the wire ribs 51 of the swirl mesh bag 5 can be integrally bonded or tied together at high temperature. The pull ropes 52 can be used to pull the entire swirl mesh bag 5 to move it. The pull ropes 52 at both ends of the swirl mesh bag 5 can be placed inside the cavity breaker 4. When the screw plug 43 of the cavity breaker 4 is unscrewed, the corresponding pull rope 52 can be pulled out, which can pull out the swirl mesh bag 5 in one side of the main spacer 2. This facilitates the quick replacement of the molecular sieve inside the swirl mesh bag 5 and the maintenance of the molecular sieve in the future, thereby ensuring that the inside of the insulating glass 1 can be kept dry for a long time and preventing the presence of moisture from causing mold or mildew growth. In practical applications, not only can the molecular sieve be quickly replaced through the cavity opener 4, but a high-temperature, dry hot airflow can also be blown into the hollow layer inside the insulating glass 1 through the cavity opener 4, facilitating the evaporation and discharge of water vapor inside the insulating glass 1. Furthermore, it is convenient to use a gas cylinder to fill the hollow layer inside the insulating glass 1 with inert argon gas, which greatly improves the antibacterial and anti-mildew properties of the insulating glass 1. Moreover, it is easy to maintain. When water vapor appears on the glass in a user's home, maintenance personnel can quickly handle and repair it on-site with their tools. After the repair, the insulating glass can be directly reinstalled on the window frame, ensuring that the user's window can still be used normally after a short repair and reinstallation. The convenience of maintenance also saves users the cost of replacing glass and transportation expenses.

[0040] As an example, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 , Figure 8 , Figure 9 and Figure 10As shown, a retaining frame 6 is provided on the outside of the insulating glass 1. The retaining frame 6 can be made of stainless steel and is placed on the edge of the insulating glass 1. A right-angle base edge positioning strip 61 is provided inside the retaining frame 6. The right-angle base edge positioning strip 61 is a metal strip and is horizontally connected within the retaining frame 6 by welding. The retaining frame 6 has four sides, and two right-angle base edge positioning strips 61 are provided on each of two adjacent sides. The insulating glass 1 can be placed on the right-angle base edge positioning strips 61. The retaining frame 6 can also be provided with tie-position tops 62. The number of tie-position tops 62 can be equal to the number of right-angle base edge positioning strips 61 and symmetrically distributed. The tie-position tops 62 include a connecting beam 621 and a screw rod 6. 22. A rubber pad 623, a rotating head 624, a tubular strip 625, and a rubber strip 626 are included. The connecting beam 621 is placed inside the evenly holding frame 6 and welded to it. The screw rod 622 is threadedly placed at the center of the connecting beam 621. The tubular strip 625 is rotatably connected to the screw rod 622 via the rotating head 624. The rubber pad 623 is provided between the screw rod 622 and the tubular strip 625. The tubular strip 625 is tightly attached to the insulating glass 1 via the rubber strip 626. The insulating glass 1 on the right-angle base edge positioning strip 61 can be clamped to the evenly holding frame 6 via the clamping top 62, ensuring that the evenly holding frame 6 can protect the four edges of the insulating glass 1. The inner edge of the uniform holding frame 6 and the insulating glass 1 can be sealed and bonded together using the same adhesive as the edge sealing layer 3. The interior of the uniform holding frame 6 can be a groove-shaped cavity, and the exterior of the uniform holding frame 6 can be covered with a sealing film 63. The sealing film 63 can be a plastic film with good weather resistance. The sealing film 63 is bonded to the edge of the uniform holding frame 6 to prevent dust or water from entering the interior of the uniform holding frame 6 and to form a seal. After many years of use, when moisture enters the interior of the insulating glass 1 and fogs up, the light transmittance of the glass will be severely affected. At this time, maintenance personnel can quickly remove the moisture by filling the insulating layer with high-temperature dry gas. They can also replace the molecular sieve and refill it with argon gas. In addition, maintenance personnel can also remove the sealing film 63 and reapply sealant to the inside of the retaining frame 6 to ensure that the outer edge of the insulating glass 1 is sealed again. This ensures that the insulating glass 1 can be used for many more years after simple maintenance. The fact that the insulating glass 1 can be maintained at the user's home greatly reduces the waste of resources and saves the user the cost of replacing the glass.

[0041] As an example, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 8 and Figure 9 As shown, a force-equalizing support 7 is provided at the lower part of the uniform holding frame 6. The force-equalizing support 7 is made of metal plate material, and the outer surface of the force-equalizing support 7 can be treated with rust prevention. Universal brackets 71 can be provided on both sides of the force-equalizing support 7. There are a total of 2 universal brackets 71, and the lower end of the uniform holding frame 6 is placed on the universal brackets 71 of the force-equalizing support 7. The universal joint 71 includes a horizontal shaft 711, a horizontal sleeve 712, a vertical shaft 713, a vertical sleeve support 714, and a rubber pad 715. The horizontal shaft 711 is welded to the upper end face of the force-equalizing support 7, and the horizontal shafts 711 of the two force-equalizing frames 6 are coaxially distributed. The horizontal sleeve 712 is rotatably connected to the horizontal shaft 711. The base of the vertical shaft 713 is bolted to the middle of the horizontal sleeve 712. The vertical sleeve support 714 is rotatably connected to the vertical shaft 713. The horizontal shaft 711... The axis of the shaft is parallel to the axis of the longitudinal shaft 713 and intersects it at a 90-degree angle; the longitudinal sleeve support 714 can be rotated in the front-back direction to change its angle by cooperating with the transverse shaft 711 and the transverse sleeve platform 712, and the longitudinal sleeve support 714 can also be rotated in the left-right direction to change its angle by cooperating with the rotation of the longitudinal shaft 713; the rubber pad 715 is placed on the upper end of the longitudinal sleeve support 714, and the uniform force support 7 can be placed on the upper end of the longitudinal sleeve support 714 and is padded with the rubber pad 715. This utility model employs a uniform support frame 6 placed outside the insulating glass 1 for protection. The uniform support frame 6 supports each pane of glass in the insulating glass 1, ensuring that the force on each pane of glass is uniform. The uniform support 7 supports the uniform support frame 6 and the insulating glass 1 through two universal brackets 71. The universal brackets 71 can also adjust the tilt angle forward and backward or left and right, ensuring that the overall weight of the insulating glass 1 can be evenly distributed through the uniform support 7 and contact the window frame. The load-bearing balance is excellent, and the stable placement ensures that the sealing adhesive layer 3 of the insulating glass 1 is not easily damaged even after long-term placement, effectively improving the service life of the insulating glass 1.

[0042] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this invention. Therefore, the protection scope of this utility model should be primarily defined by the scope of the claims.

Claims

1. A novel anti-mildew insulating glass unit, wherein a main spacer is provided inside the insulating glass unit, and an edge-sealing adhesive layer is provided on the four sides of the insulating glass unit, characterized in that, include: The cavity opening device is placed on the outer corner of the main spacer in the form of a pipe-type welded connection, and the outside of the cavity opening device is sealed to the insulating glass through the edge sealing adhesive layer; A swivel mesh bag is placed inside the main spacer and the cavity opener; A uniform holding frame is fitted onto the outside of the insulating glass by adhesive bonding. A right-angle base edge positioning strip is provided inside the uniform holding frame. A bundle position top is provided on the symmetrical side of the right-angle base edge positioning strip. A sealing film is provided on the outer ring of the uniform holding frame. A force-equalizing support is placed at the lower part of the force-equalizing frame, and universal joints are provided on both sides of the force-equalizing support.

2. The novel anti-mildew insulating glass according to claim 1, characterized in that: The main spacer has a smooth cavity, and the smooth cavity is connected to the pipeline of the cavity opener.

3. The novel anti-mildew insulating glass according to claim 2, characterized in that: The main spacer is square in shape, and each main spacer is provided with 4 cavity opening devices. The center lines of the 4 cavity opening devices intersect to form an X shape.

4. A novel anti-mildew insulating glass according to claim 2, characterized in that: The cavity passage device includes an outer cylinder, a sealing ring, and a screw plug. The outer cylinder is welded to the main spacer. The interior of the outer cylinder is in sealed communication with the smooth cavity. The screw plug is connected to the outer cylinder by a threaded seal through the sealing ring.

5. A novel anti-mildew insulating glass according to claim 1, characterized in that: The spiral mesh bag is spiral-shaped, with wire ribs on both sides and pull ropes at both ends. The pull ropes are placed inside the cavity. The spiral mesh bag contains molecular sieves and is a mesh-like bag. The inner side of the main spacer has uniformly permeable pores.

6. A novel anti-mildew insulating glass according to claim 1, characterized in that: The two adjacent sides of the insulating glass unit rest against the right-angle base edge positioning strip, and the other two sides of the insulating glass unit are pressed together by the correspondingly distributed bundle tops.

7. A novel anti-mildew insulating glass according to claim 6, characterized in that: The tie-top includes a connecting beam, a screw rod, a rubber pad, a rotating head, a tube, and a rubber strip. The connecting beam is placed inside the uniform holding frame and welded to it. The screw rod is placed at the center of the connecting beam in the form of a threaded connection. The tube is rotatably connected to the screw rod through the rotating head. The rubber pad is provided between the screw rod and the tube. The tube is tightly attached to the insulating glass through the rubber strip.

8. A novel anti-mildew insulating glass according to claim 1, characterized in that: The number of universal joints is two, and the two universal joints are respectively set on both sides of the force equalizing support. The lower end of the force equalizing frame is placed on the universal joint of the force equalizing support.

9. A novel anti-mildew insulating glass according to claim 8, characterized in that: The universal joint includes a horizontal shaft, a horizontal sleeve, a vertical shaft, a vertical sleeve support, and a rubber pad. The horizontal shaft is welded to the uniform support, the horizontal sleeve is rotatably connected to the horizontal shaft, the base of the vertical shaft is bolted to the middle of the horizontal sleeve, the vertical sleeve support is rotatably connected to the vertical shaft, and the rubber pad is placed on the upper end of the vertical sleeve support.

10. A novel anti-mildew insulating glass according to claim 9, characterized in that: The axis of the horizontal shaft is parallel to the axis of the vertical shaft and intersects at a 90-degree angle.

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